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fix resubmit script to add received header even when there was none
[etc/mailfilter.git] / bin / resubmit
1 #!/bin/sh
2 set -eu
3
4 ME="${0##*/}"
5
6 about()
7 {
8   echo "$ME -- resubmit messages to the mail filter"
9   echo "Copyright © martin f. krafft <madduck@madduck.net>"
10   echo "Released under the terms of the Artistic Licence 2.0"
11 }
12
13 usage()
14 {
15   echo "Usage: $ME [options] <Maildir> [<Maildir> ...]"
16   echo
17   echo "Valid options are:"
18   cat <<-_eof | column -s\& -t
19         -V|--version & show version information.
20         -h|--help & show this output.
21         -l|--list & process the argument list (even if empty), never stdin
22         -r|--deliver-read & mark messages read on delivery
23         _eof
24 }
25
26 SHORTOPTS=Vhlr
27 LONGOPTS=version,help,list,deliver-read
28
29 list=0
30 mark_read=0
31 files=
32
33 for opt in $(getopt -n $ME -o $SHORTOPTS -l $LONGOPTS -u -- "$@"); do
34   case "$opt" in
35     -V|--version) about; exit 0;;
36     -h|--help) about; echo; usage; exit 0;;
37     -l|--list) list=1;;
38     -r|--deliver-read) mark_read=1;;
39     --) :;;
40     *)
41       if [ -f "$opt" ] && [ -r "$opt" ]; then
42         files="$files $opt"
43       else
44         echo "E: unknown argument: $opt" >&2
45         exit 1
46       fi
47       ;;
48   esac
49 done
50
51 PROCMAIL=$HOME/.etc/mailfilter/procmail/procmailrc
52
53 if [ "$mark_read" -eq 1 ]; then
54   PROCMAIL="$PROCMAIL DELIVER_READ=1"
55 fi
56
57 DATE_R="$(date -R)"
58 FILTER="sed -rne ':b;s/^(Received|Date):/&/;tf;p;n;bb' -e ':f;iReceived: by resubmission script; $DATE_R' -e ':e;p;n;be'"
59 FILTER="$FILTER | /usr/bin/formail -I'X-Resubmitted: $DATE_R'"
60
61 if [ -z "${files:-}" ] && [ $list -eq 0 ]; then
62   eval $FILTER | exec $PROCMAIL
63 else
64   for f in $files; do
65     eval $FILTER < "$f" | $PROCMAIL && rm -f "$f"
66   done
67 fi
68
69 exit 0